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Finding the Fourth Proportional to 69,963.14, 104,914.80 and 26,657.70

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Solution

The fourth proportional to 69,963.14, 104,914.80 and 26,657.70 is: 39,975.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,963.14 : 104,914.80 = 26,657.70 : x
  2. Step 2: Convert to fraction form
    69,963.14/104,914.80 = 26,657.70/x
  3. Step 3: Cross multiply
    69,963.14x = 104,914.80 × 26,657.70
  4. Step 4: Simplify right side
    69,963.14x = 2,796,787,263.96
  5. Step 5: Solve for x
    x = 2,796,787,263.96/69,963.14
  6. Step 6: Final answer
    x = 39,975.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.